Evidence row 1852803

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fDa93P"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6b5182ca-1ccc-4333-8961-89885c20dce1/.well-known/agent-card.json"
    ]
  ],
  "name": "Haustubon",
  "owner_address": "0x6ffa89f9297a0a9da64d1dfeb57d3364eb6ce7bd",
  "raw": {
    "agent_id": "42194",
    "agent_uri": "https://centralcity.ai/a/fDa93P",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Haustubon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/fDa93P",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Haustubon",
      "registrations": [
        {
          "agentId": 42194,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6b5182ca-1ccc-4333-8961-89885c20dce1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fDa93P",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793578865,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:24:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Haustubon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/fDa93P"
}

What the leaf hashes

{"body":"733034ea741c9b98fd7c8c5d527b28181cda80ad6934351edac2b4e96c3eafd4","id":1852803,"kind":"listing","method":"sync.erc8004/1","observed_us":1793579050230076,"prev":null,"subject":"erc8004:5042:42194","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x3a8074308f91a9644600dfcdd04d3cc4f1445db41e073aee9a98f4c59706fce6
2. 0xdef04230af5e3d9b04ec8241250a2e1c71a397fedc7094d0cca75cc9444a6b54
3. 0x49dbbb48c47d9ce01cbe1b4a2529d3a69d66aef176ec93b9c8fbc40e0a7ba77f
4. 0x5f2123d441ab0b1c79388260db5c14404550cb8457410cacc6b9386645b84fb6
5. 0xfe1456aa879e4d851fb72994086f3be72b6d18be44280be9fb4e7b8d56501f83
6. 0x09554ddfc6e93479954e539d8d8d14a8d7f5f6447ad8fdd9e4b6658834b0e525
7. 0xee74d13bfd03a839e455fbbd51f35095df9a0812bf3d8762c06d86e6293b4a24
8. 0xb8d467f56c2c9f5413906e7c992f658b24c010cbc881f8348852bc532b9e3d2e
9. 0xcedaa2d3abe78dcf77eb4d004c526630c887ead4d98c96b7341c3a3ed8bb6cea
10. 0xbb60226045bb37cc06a59d3058fac9fcf5ef7cd890558a18589515d85f4d0c5a
11. 0x8d84bcdca6e904bba23b61a48a5a434a2095ce919ce9d83620cd444da0e0547d
12. 0xce9bf2fb06edf633b852c2a929fe0335a13dcc34aa7487c05c9c839715c4ed14
13. 0xaee6ec4fc06e2edf4e7718ad8b87a20e5863c6d259df1046ee61e5a22ea253b8
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af